Acquisitions and Dispositions of Businesses (Tables)

6 Months Ended

Jun. 30, 2016

Business Combinations [Abstract]

Consideration transferred and preliminary value of intangible assets

The number of acquisitions completed within each reportable segment is as follows:

	Three months ended June 30,		Six Months Ended June 30,
	2016	2015	2016	2015
Risk Solutions	2	1	2	2
HR Solutions	—	1	2	2
Total	2	2	4	4

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table includes the aggregate consideration transferred and the preliminary value of intangible assets recorded as a result of the Company's acquisitions (in millions):

	Six months ended June 30,
	2016		2015
Consideration	$	190	$	23
Intangible assets:
Goodwill	$	110	$	16
Other intangible assets	82		1
Total	$	192	$	17

Disposal Groups, Including Discontinued Operations

The number of dispositions completed within each reportable segment is as follows:

	Three months ended June 30,		Six Months Ended June 30,
	2016	2015	2016	2015
Risk Solutions	2	—	3	1
HR Solutions	—	—	1	1
Total	2	—	4	2